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LONG-TERM DEBT (Details) - USD ($)
3 Months Ended 6 Months Ended
Jul. 19, 2017
Jul. 01, 2017
Jul. 01, 2017
Jul. 02, 2016
Dec. 31, 2016
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 500,000,000 $ 500,000,000    
Borrowings under secured revolving credit facility     100,000,000 $ 0  
Long-term debt   661,846,000 661,846,000 580,678,000 $ 580,376,000
Outstanding letters of credit   4,500,000 4,500,000    
Incremental Facilities [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 250,000,000 $ 250,000,000    
LIBOR [Member]          
Debt Instrument [Line Items]          
Interest rate (as a percentage)   1.375% 1.375%    
LIBOR [Member] | Minimum          
Debt Instrument [Line Items]          
Basis spread on variable rate   1.125%      
LIBOR [Member] | Maximum          
Debt Instrument [Line Items]          
Basis spread on variable rate   1.875%      
Base Rate [Member] | Minimum          
Debt Instrument [Line Items]          
Basis spread on variable rate   0.125%      
Base Rate [Member] | Maximum          
Debt Instrument [Line Items]          
Basis spread on variable rate   0.875%      
Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 100,000,000 $ 100,000,000    
Long-term debt   266,000,000 266,000,000 185,714,000 184,977,000
Available for future borrowing   $ 229,500,000 $ 229,500,000    
Revolving Credit Facility [Member] | LIBOR [Member]          
Debt Instrument [Line Items]          
Description of variable rate basis     LIBOR    
Revolving Credit Facility [Member] | Base Rate [Member]          
Debt Instrument [Line Items]          
Interest rate (as a percentage)   0.375% 0.375%    
Swingline BOA [Member] | Multicurrency Credit Facility [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 15,000,000 $ 15,000,000    
Senior Notes [Member]          
Debt Instrument [Line Items]          
Long-term debt   $ 400,000,000 $ 400,000,000 $ 400,000,000 $ 400,000,000
Interest rate (as a percentage)   5.25% 5.25%    
United States of America, Dollars          
Debt Instrument [Line Items]          
Borrowings under secured revolving credit facility     $ 175,000,000    
United States of America, Dollars | Incremental Facilities [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 200,000,000 200,000,000    
United States of America, Dollars | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 400,000,000 $ 400,000,000    
United States of America, Dollars | Revolving Credit Facility [Member] | LIBOR [Member]          
Debt Instrument [Line Items]          
Effective interest rate (as a percentage)   2.55% 2.55%    
United States of America, Dollars | Swingline BOA [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 50,000,000 $ 50,000,000    
Canada, Dollars          
Debt Instrument [Line Items]          
Borrowings under secured revolving credit facility     40,000,000    
Canada, Dollars | Incremental Facilities [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 50,000,000 $ 50,000,000    
Revolving Credit Facility [Member] | Subsequent Event [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity $ 100,000,000        
Outstanding borrowings 366,000,000        
Long-term debt $ 366,000,000